The Grainger 170NF6 is a 6-inch diameter, cast iron floor drain with a nickel bronze strainer, standard tapered thread, and no-hub outlet. It has a sediment bucket to catch debris. This drain is made in the USA and is designed for use in commercial kitchens, restaurants, and other food service establishments where a floor drain is needed. The 6-inch size provides good drainage capacity. The heavy duty cast iron body and nickel bronze strainer offer durability. The standard tapered thread allows use of common drain accessories. This product provides an effective floor drain solution for commercial kitchens and restaurants.